Removing the intake camshaft for cylinders 7 through 12

Preliminary work 

• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
• Refer to REMOVING FRONT ORNAMENTAL GRILLE .
• Refer to PARTIALLY REMOVING THE FRONT SECTION OF THE FRONT WHEEL ARCH COVER .
• Refer to REMOVING FRONT BUMPER COVER .
• Refer to REMOVING BOTH HEADLIGHTS .
• Refer to REMOVING THE CENTER TOP CROSS CONNECTION .
• Refer to REMOVING THE FANFARE HORN ON THE LEFT .
• Refer to REMOVING THE FANFARE HORN TOWARDS THE RIGHT .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
• Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
• Refer to REMOVING THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
• Refer to REMOVING TRAILING LINK AT SPRING BOLT .
• Refer to REMOVING LEFT INTAKE SILENCER HOUSING .
• Refer to REMOVING THE LEFT-HAND AIR DUCT .
• Refer to REMOVING LEFT INTAKE PORT .
• Refer to PARTIALLY LOOSENING THE LEFT-HAND CHARGE AIR COOLER .
• Refer to REMOVING LEFT THROTTLE VALVE ASSEMBLY .
• Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
• Refer to REMOVING RIGHT AIR DUCT .
• Refer to REMOVING THE RIGHT THROTTLE BODY .
• Refer to PARTIALLY LOOSENING THE RIGHT-HAND CHARGE AIR COOLER .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING FAN COWL .
• Refer to REMOVING THE ENGINE VENTILATION LINE FROM THE INTAKE SYSTEM .
• Refer to REMOVING THE TANK VENT LINE .
• Refer to REMOVING THE INTAKE PLENUM .
• Refer to REMOVING THE LEFT-HAND VENTILATION LINE .
• Refer to REMOVING IGNITION COILS .
• Refer to REMOVING COVER FOR THE DME CONTROL UNIT ON LEFT .
• Refer to DISCONNECTING ALL CONNECTORS FROM THE DME CONTROL UNIT FOR CYLINDERS 7 TO 12 .
• Refer to PARTIALLY RELEASING THE WIRING HARNESS FROM THE CYLINDER HEAD COVER ON THE LEFT .
• Refer to REMOVING TOP CLEAN AIR PIPE AT LEFT .
• Refer to REMOVING CHARGE AIR PIPE ON LEFT .
• Refer to REMOVING LEFT HIGH PRESSURE LINE BETWEEN HIGH PRESSURE PUMP AND RAIL .
• Refer to REMOVING FUEL DELIVERY LINE .
• Refer to REMOVING ALL HIGH PRESSURE LINES BETWEEN RAIL AND INJECTORS .
• Refer to REMOVING THE HIGH-PRESSURE RAIL ON THE LEFT .
• Refer to REMOVING LEFT HIGH PRESSURE PUMP .
• Refer to REMOVING INJECTORS .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
• Refer to REMOVING THE STIFFENING PLATE .
• Refer to REMOVING FRONT RIGHT WHEEL .
• Refer to LOOSENING THE ANTI-ROLL BAR LINK ON THE LEFT AND RIGHT FROM THE ANTI-ROLL BAR .
• Refer to REMOVING THE COVER FOR THE STEERING ASSEMBLY ON THE RIGHT .
• Refer to REMOVING THE ACTIVE STABILIZER IN FRONT .
• Refer to DRAINING COOLANT .
• Refer to RELEASING THE COOLANT LINE FOR THE EXHAUST TURBOCHARGER ON THE LEFT .
• Refer to REMOVING LEFT CYLINDER HEAD COVER .
• Refer to INSTALLING THE PROTECTIVE SHIELD ON THE RADIATOR .
• Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR 2 AND THE AIR CONDITIONING COMPRESSOR .
• Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
• Refer to REMOVING THE BELT PULLEY .
• Refer to PARTIALLY DETACHING THE AIR CONDITIONING COMPRESSOR .
• Refer to REMOVING THE COOLANT HOSE ON THE LEFT FROM THE RADIATOR .
• Refer to REMOVING THE HEATER RETURNING HOSE FROM THE COOLANT PUMP .
• Refer to REMOVING ALTERNATOR 2 .
• Refer to REMOVING BOTH SOLENOID VALVES ON LEFT SIDE .
• Refer to REMOVING THE TOP TIMING CASE COVER OF CYLINDERS 7 TO 12 .
• Refer to PLACE THE 1ST AND 7TH CYLINDER INTO THE TDC SETTING .
• Refer to REMOVING THE SPECIAL TOOLS TO DISCONNECTING THE CRANKSHAFT .
• Refer to RELEASING THE CHAIN TENSIONER .
• Refer to REMOVING THE HYDRAULIC CHAIN TENSIONER .
• Refer to INSTALLING SPECIAL TOOL TO PRE-TENSIONING TIMING CHAIN .
• Refer to CHECKING TIMING .
• Refer to INSTALLING SPECIAL TOOL FOR FASTENING CAMSHAFTS .
• Refer to SCREW IN SPECIAL TOOLS 11 9 895 1 TO 6 AND 7 TO 12 .
• Refer to FASTENING THE CAMSHAFTS WITH THE SPECIAL TOOL .
• Refer to REMOVING THE UPPER SLIDE RAIL .
• Refer to LOOSENING BOTH CENTRAL BOLTS OF VANOS GEAR .
• Refer to REMOVING SPECIAL TOOL TO PRETENSION TIMING CHAIN .
• Refer to REMOVING INTAKE ADJUSTER AT CYLINDER 7 TO 12 .
• Refer to REMOVING THE EXHAUST CAMSHAFT ADJUSTER FOR CYLINDERS 7 TO 12 .
• Refer to REMOVING THE SPECIAL TOOLS TO FIX THE CAMSHAFTS .

Left-hand intake camshaft 

Fig 1: Intake Camshaft Screws Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

1-14 Screws (graphic N74) 

• Incrementally loosen all bolts in the sequence (1) to (14) in half-turns.
  Fig 2: Intake Camshaft Screws Loosening Sequence

  Courtesy of BMW OF NORTH AMERICA, INC.
• Remove thrust bearing (1) and high pressure pump bracket (2) and place them in order in special tool 0 495 105 (11 4 480) .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove all intake camshaft bearing caps (1) and neatly position on the special tool 0 495 105 (11 4 480) .
• Remove the intake camshaft and place in the special tool 0 495 105 (11 4 480) .

  Courtesy of BMW OF NORTH AMERICA, INC.